Feijiu Wang | Optical Physics | Research Excellence Award

Prof. Dr. Feijiu Wang | Optical Physics | Research Excellence Award

School of Future Technology | China

Professor Feijiu Wang is an internationally recognized researcher in the fields of photovoltaic materials, perovskite optoelectronics, nanocarbons, and low-dimensional semiconductor devices. He is currently a Professor at the Henan Key Laboratory of Photovoltaic Materials, Henan University, a position he has held since May 2019, and was promoted to full Professor in May 2023. His research integrates materials science, energy science, and nano-optoelectronics with a strong emphasis on device performance, stability, and interfacial engineering. Prof. Wang received his Ph.D. in Energy Science from Kyoto University, Japan, where he developed a strong foundation in photovoltaic physics and nanomaterials. Prior to this, he earned his M.E. from Shanghai Normal University and B.E. from Huaiyin Normal University. Following his doctorate, he conducted postdoctoral research at Nagoya University under the prestigious JST ERATO Itami Molecular Nanocarbon Project, where he deepened his expertise in nanocarbon materials and their integration into advanced electronic and energy devices. His research focuses primarily on perovskite solar cells and light-emitting diodes (LEDs), carbon nanotube– and graphene-based photovoltaics, two-dimensional semiconductors, and interface and defect engineering. He has made seminal contributions to improving the efficiency and long-term stability of perovskite solar cells through innovative interfacial layers, all-carbon charge transport layers, and polymer-assisted engineering strategies. In parallel, his recent work on perovskite LEDs and light-emitting field-effect transistors has achieved state-of-the-art external quantum efficiencies, addressing key challenges such as phase purity, defect passivation, and charge balance.

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Featured Publications

Yang Han – Optical Communication – Best Researcher Award

Mr. Yang Han - Optical Communication - Best Researcher Award  

Fudan university - China

Author Profile

Scopus

🎓 Early Academic Pursuits

Mr. Yang Han’s academic journey began with a strong foundation in both theoretical and practical aspects of engineering, focusing on courses such as Machine Learning, Mathematical Foundations of AI, Modern Signal Processing, and Intelligent Computing Systems. These foundational courses, coupled with a solid background in Signals and Systems, Digital Image Processing, and Communication Circuits, prepared him for specialized research in optical and millimeter-wave communication systems. His early academic focus on Optical Communication systems laid the groundwork for his innovative project implementations.

💼 Professional Endeavors

Mr. Yang Han has been actively involved in cutting-edge projects in the field of wireless communication systems. His key professional endeavors include the development and implementation of high-speed communication systems such as the D-Band Coherent Millimeter-Wave Transmission System and Terahertz IM/DD Communication Systems. Between 2023 and 2024, he played a crucial role in achieving milestones in millimeter-wave transmission, focusing on 25GBaud QPSK signal transmission over 4.6km wireless coherent systems. His expertise in enhancing transmission capacity using polarization multiplexing and achieving impressive bit error rates (BER) below the industry threshold demonstrates his proficiency in Optical Communication and signal processing technologies.

🔬 Contributions and Research Focus

Mr. Han’s research focus is primarily on improving wireless transmission systems, emphasizing spectral efficiency and cost-effective solutions. Notable contributions include achieving a 10GBaud DMT-16QAM signal transmission over a 1.2km wireless MIMO link, which significantly improved net transmission rates. His pioneering work in terahertz communication systems also stands out, where he successfully implemented probabilistic and geometric shaping techniques to enhance the performance of direct detection systems. This advancement in Optical Communication systems through novel shaping methods highlights his commitment to optimizing wireless communication technologies.

🌍 Impact and Influence

The impact of Mr. Han’s work on the field of wireless and optical communication is substantial. His research has improved the efficiency and capacity of high-speed communication systems, pushing the boundaries of millimeter-wave and terahertz technologies. The successful implementation of envelope detection for cost-effective solutions and shaping techniques for improving net rates by up to 15.6% has been influential in advancing practical applications in wireless transmission. His work has been recognized in the academic community, contributing to the ongoing development of Optical Communication technologies.

🏆Academic Cites

Mr. Han’s contributions to high-speed wireless communication systems have garnered attention and citations from academic and industrial researchers alike. His work, particularly in polarization multiplexing and shaping techniques for terahertz band systems, is highly regarded. The successful reduction in bit error rates below the 25% SD-FEC threshold across multiple projects demonstrates his technical prowess and innovation, further solidifying his impact in the field.

🌟 Legacy and Future Contributions

As Mr. Han continues to make strides in the field of high-speed communication systems, his future contributions are expected to drive further advancements in optical and wireless communication technologies. His research in millimeter-wave and terahertz band systems, combined with his deep understanding of machine learning and intelligent computing systems, positions him as a key player in the next generation of Optical Communication technologies. His legacy will be defined by his innovative contributions that enhance spectral efficiency, transmission rates, and cost-effectiveness in modern communication systems.

📝 Notable Publication


📝 D-band 4600 m wireless transmission with rates exceeding 100 Gbit/s based on photonics-aided technologies

Authors: Zhao, X., Yu, J., Yang, X., Yu, J., Zhao, F.

Journal: Science China Technological Sciences

Year: 2024

Citations: 0


📝 Demonstration of D-band 1×2 SIMO millimeter-wave wireless delivery over 1.2 km employing MRC technology

Authors: Zhang, B., Zhang, Q., Tan, J., Wang, K., Yu, J.

Journal: Optics Communications

Year: 2024

Citations: 0


📝 4096-QAM Signal Transmission by an IM/DD System at THz Band Using Delta-Sigma Modulation

Authors: Tan, J., Long, J., Yu, J., Zhang, B., Zhang, Y.

Journal: IEEE Photonics Technology Letters

Year: 2024

Citations: 0


📝 Demonstration of a Photonics-aided 4,600-m Wireless Transmission System in the Sub-THz Band

Authors: Wei, Y., Yu, J., Zhao, X., Zhou, W., Wang, K.

Journal: Journal of Lightwave Technology

Year: 2024

Citations: 0


📝 Demonstration of 200 Gbps D-band Wireless Delivery in a 4.6 km 2×2 MIMO system

Authors: Wei, Y., Yu, J., Wang, M., Zhou, W., Wang, K.

Conference: 2024 Optical Fiber Communications Conference and Exhibition (OFC 2024)

Year: 2024

Citations: 0


📝 32-Gb/s CAP Signals Wireless Delivery at D-Band Over 4.6 Km Based on Photonics-Aided Technology and Envelope Detection

Authors: Yang, X., Zhou, W., Zhao, X., Zhang, Y., Wang, K.

Journal: Journal of Lightwave Technology

Year: 2024

Citations: 0